Bastos, Francisco Inacio Smoked crack cocaine in contemporary Brazil: the emergence and spread of 'oxi'. [electronic resource] - Addiction (Abingdon, England) Jun 2011 - 1191-2 p. digital Publication Type: Letter; Research Support, Non-U.S. Gov't ISSN: 1360-0443 Standard No.: 10.1111/j.1360-0443.2011.03427.x doi Subjects--Topical Terms: Brazil--epidemiologyCocaine-Related Disorders--epidemiologyCrack Cocaine--chemistryHumans